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Finding the Fourth Proportional to 88,245.40, 132,368.10 and 38,349.40

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Solution

The fourth proportional to 88,245.40, 132,368.10 and 38,349.40 is: 57,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,245.40 : 132,368.10 = 38,349.40 : x
  2. Step 2: Convert to fraction form
    88,245.40/132,368.10 = 38,349.40/x
  3. Step 3: Cross multiply
    88,245.40x = 132,368.10 × 38,349.40
  4. Step 4: Simplify right side
    88,245.40x = 5,076,237,214.14
  5. Step 5: Solve for x
    x = 5,076,237,214.14/88,245.40
  6. Step 6: Final answer
    x = 57,524.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.